Home / 197,899.20-296,848.80-57,662.40

Finding the Fourth Proportional to 197,899.20, 296,848.80 and 57,662.40

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Solution

The fourth proportional to 197,899.20, 296,848.80 and 57,662.40 is: 86,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,899.20 : 296,848.80 = 57,662.40 : x
  2. Step 2: Convert to fraction form
    197,899.20/296,848.80 = 57,662.40/x
  3. Step 3: Cross multiply
    197,899.20x = 296,848.80 × 57,662.40
  4. Step 4: Simplify right side
    197,899.20x = 17,117,014,245.12
  5. Step 5: Solve for x
    x = 17,117,014,245.12/197,899.20
  6. Step 6: Final answer
    x = 86,493.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.